Ballast box container



FIG. 1 is an upper right front perspective view of a ballast box container showing my new design.

FIG. 2 is a front orthographic view.

FIG. 3 is a rear orthographic view.

FIG. 4 is a left orthographic view.

FIG. 5 is top orthographic view; and,

FIG. 6 is a bottom orthographic view. 

The ornamental design for a ballast box container, as shown and described. 